[naturally Linda assumes he means a physical shield, and looking at his armor this isn't particularly surprising, so she probably isn't as impressed as she should be] That could be useful around here.

The spiders and creepers are dangerous, too, but they all seem to be sensitive to the sun. Spiders are just big--and in the caves there are poisonous ones. But the creepers actually explode if they get near you, so be careful if you ever go exploring dark areas, all right?

[hoping he won't start panicking again, she adds:] Still, like I said, in town things are pretty safe.